Martin Beck
Lennart Kollberg
Gunvald Larsson
Benny Skacke
Åsa Thorell
Per Månsson
Einar Rönn
Evald Hammar
Folke Bengtsson
Inga Beck
Putte Beck
Greta Hjelm
Kristiansson
Colonel's wife
Göta Isaksson
Karin Larsson's mother
Girl with a fishing rod
Erik Beck
Roseanna
Karl Åke Eriksson
Kvant
Inspector Kafka
The colonel
Mylvaney
Man in a wheelchair (uncredited)
Police Secretary in Motala (uncredited)